1-2 Because Helen Keller could not hear or see, the keenness of her other senses was____(e)d by use. It is said that she could___ who was in the room simply by using her sense of smell.

3-4 A ___ Robot that collects and deliver mail throughout the office building ___s itself with electric eyes.

5-6 In fables, animals often illustrate human ___s. In the story of the race between the tortoise and the hare, the tortoise is meant to ___ the human qualities of being slow but steady. Despite competing against a much speedier antagonist, he perseveres and defeats the overly confident hare.

7-8 The reason the boss likes to ___ Oliver on lengthy errands is no ___. Everyone knows that the office functions better with Oliver out of the way.

9-10 Anyone who has ever gone to college can ___ to the fact that during final exams, many students become ____ animals. They study all night before an exam and then, once the test is over, sleep the rest of the day.